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Re: Using cfglayout mode in the selective scheduler

From: Zdenek Dvorak <rakdver at kam dot mff dot cuni dot cz>
To: Steven Bosscher <stevenb dot gcc at gmail dot com>
Cc: Andrey Belevantsev <abel at ispras dot ru>, GCC mailing list <gcc at gcc dot gnu dot org>
Date: Mon, 11 Aug 2008 22:02:32 +0200
Subject: Re: Using cfglayout mode in the selective scheduler
References: <48A044E5.1050503@ispras.ru> <571f6b510808111227v31d9220fr4c5020b4905d8036@mail.gmail.com>

Hi,

I am probably missing something:

> The basic idea is enabling cfglayout mode and then ensuring that insn
> stream and control flow are in sync with each other at all times. This
> is required because e.g. on Itanium the final bundling happens right
> after scheduling, and any extra jumps emitted by cfg_layout_finalize
> will spoil the schedule.

what is the difference between this idea and the cfgrtl mode?

Zdenek

Follow-Ups:
- Re: Using cfglayout mode in the selective scheduler
  - From: Steven Bosscher

References:
- Using cfglayout mode in the selective scheduler
  - From: Andrey Belevantsev
- Re: Using cfglayout mode in the selective scheduler
  - From: Steven Bosscher

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